Question about 2004 Chevrolet TrailBlazer
The key switch, the nuetral safty switch, the starter relay in the fuse relay panel under the hood and the security system can all cause a no start. Check first that the engine will crank by putting power right on the small wire at the starter. If it cranks turn the key on and see if it'll start and run ( it might not ) ( security system at'll fire up and then quit ) If it desn't crank at all this way them the starter and or the battery cable connection is at fault ( most likly at the battery positive ) You can't fix this by looking you have to take the wire off scrape the battery and the cable good and then put the cable back on do the negitive first leaving it off till you get the positive done and back on then hook up the negitive last. The negitive may be clean. If the starter still no crank then the starters bad or the battery is no good.
Posted on Jul 03, 2010
I assume the wire to the starters solenoid has no power going through it. A fuseable link is incorporated inside this wire inches away from the solenoid's connection. Some times wiggling it while someone holds the ignition ket to the starting position will tell you if the fuseable link has an open in it. The easiest way to check by yourself is to use an OHM meter to check the wire for continuity. If the meter reads OL by testing this wire from the solenoids connection and well more than a foot away, the link is no good. If you get a reading of 0000 or better the wire is fine. Then you have a faulty electrical ignition switch instead that needs to be replaced
Posted on Jul 03, 2010
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Posted on Jan 02, 2017
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